Goulds Pumps 3700 Installation, Operation And Maintenance Manual page 49

Frame
ounces
LX, XLA
XLX, XXL
Lubricating-oil requirements
Oil quality requirements
Use a high-quality turbine oil with rust and oxidation inhibitors with rated viscosity shown below
at 100°F (38°C).
Oil requirements based on temperature
For the majority of operating conditions, bearing temperatures run between 120°F (49°C) and 180°F
(82°C), and you can use an oil of ISO viscosity grade 68 at 100°F (38°C). If temperatures exceed 180°F
(82°C), refer to the table for temperature requirements.
Temperature
Bearing temperatures exceed 180°F (82°C)
Pumped-fluid temperatures are extreme
Acceptable oil for lubricating bearings
Acceptable lubricants
Brand
Exxon
Mobil
Sunoco
Royal Purple
Lubricate the bearings with oil
Ring oil-lubricated pumps are supplied with an oiler that maintains a constant oil level in the
bearing housing.
1. Fill the oil reservoir in the bearing frame:
a) Fill the bearing chamber through the main body of the Watchdog until it reaches the
b) Fill the watchdog reservoir using a funnel.
c) Verify o-ring is on the Watchdog oiler spout.
d) Place your thumb over the reservoir spout. Invert and insert the spout into the internal
e) Tighten reservoir. Do not over-tighten.
f)
NOTICE:
Do not fill the oil reservoir of the bearing frame through the plug at the top.
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
Frame oil volume
milliliters
72
89
optimum fluid level visible in the bullseye sight.
threaded boss on the main body.
Verify that proper oil level is maintained per the following diagram.
Commissioning, Startup, Operation, and Shutdown
2120
2625
Oil requirement
Use ISO viscosity grade 100. Bearing temperatures
are generally about 20°F (11°C) higher than bear-
ing-housing outer surface temperatures.
Refer to the factory or a lubrication expert.
Lubricant type
Teresstic EP 68
DTE 768
Sunvis 968
SYNFILM ISO VG 68 Synthetic Lube
47